package com.om.calculator;

import org.junit.Test;

public class FactorialTest {
    Factorial factorial = new Factorial();

    @Test
    public void factorialOf0is1() {
        calculator.factorial();
        validateResultIs(1);
    }

    @Test
    public void factorialOfNIsCalculatedCorrectly() {
        calculator.enter(5);
        calculator.factorial();
        validateResultIs(120);
    }

}
